Re: I hadn't made the connection before

2017-06-05 Thread Adrian Graham via cctalk
On 2 June 2017 at 17:13, Cameron Kaiser via cctalk wrote: > The (ridiculous) story of the Keyboard Component was legendary. The ECS > keyboard variant can barely be considered functional even by the standards > of the time, though I guess it at least looks decent compared to an > Aquarius > and t

Re: I hadn't made the connection before

2017-06-02 Thread dwight via cctalk
via cctalk Sent: Friday, June 2, 2017 9:37:13 AM To: ccl...@sydex.com; cctalk@classiccmp.org Subject: Re: I hadn't made the connection before > I sold a bare CP1600 chip about a year ago to a collector. "Odd" is an > understatement. A 10-bit wide instruction word, with the

Re: I hadn't made the connection before

2017-06-02 Thread Chuck Guzis via cctalk
On 06/02/2017 09:37 AM, Cameron Kaiser wrote: > But that was because it has memory-mapped I/O, no? On the other hand > the decles were weird and it has a lot of instructions that were > removed. GI made a 10-bit wide ROM for program storage, as I recall. I think the 10-bit instruction word was the

Re: I hadn't made the connection before

2017-06-02 Thread Jim Brain via cctalk
On 6/2/2017 11:26 AM, Chuck Guzis via cctalk wrote: On 06/02/2017 07:55 AM, Al Kossow via cctalk wrote: A very odd version of the PDP-11 I did some programming on it for GI in the late 70's using their GIMINI development system and cross-development tools on their Sigma 9. I sold a bare CP160

Re: I hadn't made the connection before

2017-06-02 Thread Cameron Kaiser via cctalk
> I sold a bare CP1600 chip about a year ago to a collector. "Odd" is an > understatement. A 10-bit wide instruction word, with the upper 6 bits of > the opcode unused. Loading a 16-bit address took three words. > > Also, slow, very slow, with no I/O instructions. But that was because it has

Re: I hadn't made the connection before

2017-06-02 Thread Chuck Guzis via cctalk
On 06/02/2017 07:55 AM, Al Kossow via cctalk wrote: > > A very odd version of the PDP-11 > > I did some programming on it for GI in the late 70's using their > GIMINI development system and cross-development tools on their Sigma > 9. I sold a bare CP1600 chip about a year ago to a collector.

Re: I hadn't made the connection before

2017-06-02 Thread Cameron Kaiser via cctalk
> I was looking at an old GI catalog and casually noting the CP1610 that was > most of a PDP11 processor. I did some more web surfing and noticed that the > Intellivision game machine used this chip. It just never dawned on me that > they used this processor. > > I see that one could even get a ke

Re: I hadn't made the connection before

2017-06-02 Thread Al Kossow via cctalk
On 6/2/17 7:20 AM, dwight via cctalk wrote: > the CP1610 that was most of a PDP11 processor. A very odd version of the PDP-11 I did some programming on it for GI in the late 70's using their GIMINI development system and cross-development tools on their Sigma 9.

I hadn't made the connection before

2017-06-02 Thread dwight via cctalk
I was looking at an old GI catalog and casually noting the CP1610 that was most of a PDP11 processor. I did some more web surfing and noticed that the Intellivision game machine used this chip. It just never dawned on me that they used this processor. I see that one could even get a keyboard fo